Code dream meaning is explained below using 8 different sources. Each interpretation is shown with its source.

Interpretation 1 — Nancy Wagaman

Communicating in code can represent: Secrecy, or fear of others learning certain information.

A desire to maintain power or keep the upper hand.

Purposely being vague, making your message hard to understand, or wanting to hold back information.

See Symbol, Secret, Password, Help, Calling for, Communication, Text, Letter (Alphabet), Number, Computer, Garbled, Unknown Thing

Source: The Curious Dreamer’s Dream Dictionary • Author: Nancy Wagaman

Interpretation 2 — Versatile - Anonymous

Material aspects: To be using a door code or some kind of numerical combination suggests that we have the necessary information to gain access. Not to know the code or to have forgotten it indicates that we must be more careful in future. This meaning holds good if we do not know the correct code of behaviour.
Source: Dream Meanings of Versatile • Author: Versatile - Anonymous

Interpretation 3 — Zolar

lucky numbers: 11-22-27-35-43-49

business: you know more than you reveal.

consulting a law: your communication is too roundabout.

deciphering a: are manipulating news of improvement in business to impress others.

Morse, in: ask dream for a decipherable signal.

tax: advantageous events in business.

Source: Zolar’s Book of Dreams Numbers and Lucky Days • Author: Zolar

Interpretation 4 — Dream Explanations - Anonymous

Dreams of a code symbolize an important clue in the case of your own -revelation. Something important is being delivered to you. Pay attention to the details, the numbers and letters, of this dream.

See Letter, Number and Coyote.

Source: Strangest Dream Explanations • Author: Dream Explanations - Anonymous

Interpretation 5 — Versatile - Anonymous

Psychological / emotional perspective: To be deciphering a code in dreams suggests that we need some understanding of the ‘key’ to our own or others’ behaviour or that there is knowledge at present hidden from us.
Source: Dream Meanings of Versatile • Author: Versatile - Anonymous

Interpretation 6 — myjellybean

To dream of code - or coded messages - is a warning against deceiving others. It can also be a warning that those you trust may not have your best interests totally at heart.
Source: My Dream Interpretation • Author: myjellybean

Interpretation 7 — Versatile - Anonymous

A spiritual code may appear in dreams as an unrecognizable language which requires deciphering. It can also be a code of behaviour by which one must live.
Source: Dream Meanings of Versatile • Author: Versatile - Anonymous

Interpretation 8 — Stearn Robinson - Tom Corbett

Whether received or sent, coded messages in a dream are a warning against deceit.

Reexamine your judgment about those you trust.

Source: The Complete Guide to Interpreting Your Dreams • Author: Stearn Robinson - Tom Corbett